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- Title
Fractional Excretion of Urea as a Guide to Renal Dysfunction.
- Authors
Kaplan, Andre A.; Kohn, Orly F.
- Abstract
The use of fractional excretion of sodium as a guide to renal perfusion is hampered by the prior use of natriuretic agents. The fractional excretion of urea (FEUr) has been shown to be affected by volume status. We, therefore, determined the value of the FEUr as a guide to renal perfusion. In 6 patients evaluated prospectively and in 87 patients evaluated retrospectively, a low FEUr (≤ 35 %) was found to be a sensitive index to renal perfusion, despite the prior administration of furosemide. Copyright © 1992 S. Karger AG, Basel
- Publication
American Journal of Nephrology, 1992, Vol 12, Issue 1/2, p49
- ISSN
0250-8095
- Publication type
Article
- DOI
10.1159/000168417